基于 PLC 的自动售货机控制系统的设计摘 要此次设计是基于 PLC 的自动售货机控制系统,首先分析了无人自动售货机的进展历程及进展前景,然后根据其的功能特点详细设计了在此次设计中所需要实现的功能,根据设计功能进行自动售货机的硬件及软件的设计和选型.在进行硬件设计时选用型号为 XINX 的步进驱动电机，硬币和纸币识别两种货币处理装置,弹簧推送式的送出机构,需要用到的按钮及指示灯种类,以三菱 FX-2N-48MR 型 PLC 为主控制器，软件设计时，基于 GX Developer 编程软件,采纳梯形图进行系统控制程序的设计，包括投币累加、比较选择购买和退币复位程序,并采纳 GX—Simulator 来进行程序的调试,最后使用组态王软件进行自动售货机的仿真。该设计是基于市场需要进行的相关功能的设计及仿真,提高了可靠性,符合市场的需求。关键词：自动售货机,可编程序控制器，梯形图 The design of the control system for vending machine based on PLCABSTRACTThe design is a vending machine based on PLC control system, the first analysis of the development and development prospects of vending machine ， then according to the features of the detailed design in the design of the need to implement the function. According to the functional design of the design and selection of hardware and software of the automatic vending machine. In hardware design selects the type XINX into driving motor, coins and paper currency recognition two currency handling apparatus， spring push the sending mechanism, need to use the buttons and indicator species, with Mitsubishi FX-2N-48MR type PLC based controller, software design， base on the GX developer programming software by ladder diagram of system control program design， including coin accumulation, comparison and selection of purchase and the coin reduction program ， and the GX simulator to carry out the program debugging. Finally， Kingview software vending machine simulation.The design is based on the market need for the relevant ...
